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PalDat - Palynological Database

an online publication on recent pollen

Acacia karroo

Taxonomy: Angiospermae, Fabales, Fabaceae, Acacia

Published: 2017-01-17

Pollen Description

Shape, Size and Aperture

pollen unit: polyad,  dispersal unit and peculiarities: polyad,  size (pollen unit): medium-sized (26-50 µm),  pollen class: polyad,  polarity: heteropolar,  shape: -,  outline in polar view: -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: none,  aperture type: no aperture,  aperture condition: inaperturate,  aperture peculiarities: -

Ornamentation and Structure

LMornamentation LM: -,  nexine: -,  sexine: -,  SEMornamentation SEM: perforate,  TEMtectum: -,  infratectum: -,  foot layer: -,  endexine: -,  intine: -,  wall peculiarities: tenuitas

Miscellaneous

pollen coatings: -,  reserves in cytoplasm: -,  cell number: -,  Ubisch bodies: present

Annotations

apertural condition not clear, distal tenuitas (colpus-like)

Author(s) of diagnosis: Halbritter, Heidemarie

Pictures

flower(s)

1. flower(s)

hydrated polyads

2. hydrated polyads

polyad

3. polyad

detail of exine surface

4. detail of exine surface

exine surface

5. exine surface

dry polyads

6. dry polyads

anther with 4 polyads

7. anther with 4 polyads

Ubisch bodies on inner anther wall

8. Ubisch bodies on inner anther wall

Picture legend

  1. flower(s), photographer: Halbritter, H.
  2. hydrated polyads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  3. polyad - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  4. detail of exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  5. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  6. dry polyads - dry, sputter coated with gold, photographer: Halbritter, H.
  7. anther with 4 polyads - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. Ubisch bodies on inner anther wall - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.

Literature

  • Halbritter, H (1998) Preparing living pollen material for scanning electron microscopy using 2,2-dimethoxypropane (DMP) and criticalpoint drying. Biotechnic Histochem 73: 137–143

Copyright and Citation

Cite this publication as:

Halbritter H. 2017. Acacia karroo. In: PalDat - A palynological database. https://www.paldat.org/pub/Acacia_karroo/302957;jsessionid=1CD3F9E2DCD6B87297BE7EBB98C3B36F; accessed 2018-11-18

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